Index: linux-2.6.9-full/include/linux/ext3_fs.h
===================================================================
---- linux-2.6.9-full.orig/include/linux/ext3_fs.h
-+++ linux-2.6.9-full/include/linux/ext3_fs.h
-@@ -53,6 +53,30 @@
+--- linux-2.6.9-full.orig/include/linux/ext3_fs.h 2007-06-08 23:44:08.000000000 +0400
++++ linux-2.6.9-full/include/linux/ext3_fs.h 2007-10-17 22:25:01.000000000 +0400
+@@ -57,6 +57,30 @@ struct statfs;
#define ext3_debug(f, a...) do {} while (0)
#endif
/*
* Special inodes numbers
*/
-@@ -398,6 +422,14 @@ struct ext3_inode {
+@@ -387,6 +411,14 @@ struct ext3_inode {
#define ext3_find_first_zero_bit ext2_find_first_zero_bit
#define ext3_find_next_zero_bit ext2_find_next_zero_bit
/*
* Maximal mount counts between two filesystem checks
*/
-@@ -799,6 +831,20 @@ extern unsigned long ext3_count_dirs (st
+@@ -763,6 +795,20 @@ extern unsigned long ext3_count_dirs (st
extern void ext3_check_inodes_bitmap (struct super_block *);
extern unsigned long ext3_count_free (struct buffer_head *, unsigned);
+
/* inode.c */
- int ext3_forget(handle_t *handle, int is_metadata, struct inode *inode,
+ extern int ext3_block_truncate_page(handle_t *, struct page *,
Index: linux-2.6.9-full/include/linux/ext3_fs_sb.h
===================================================================
---- linux-2.6.9-full.orig/include/linux/ext3_fs_sb.h
-+++ linux-2.6.9-full/include/linux/ext3_fs_sb.h
-@@ -88,6 +88,61 @@ struct ext3_sb_info {
- unsigned long s_ext_blocks;
- unsigned long s_ext_extents;
+--- linux-2.6.9-full.orig/include/linux/ext3_fs_sb.h 2007-06-08 23:44:07.000000000 +0400
++++ linux-2.6.9-full/include/linux/ext3_fs_sb.h 2007-10-17 22:25:01.000000000 +0400
+@@ -81,6 +81,61 @@ struct ext3_sb_info {
+ char *s_qf_names[MAXQUOTAS]; /* Names of quota files with journalled quota */
+ int s_jquota_fmt; /* Format of quota to use */
#endif
+
+ /* for buddy allocator */
#endif /* _LINUX_EXT3_FS_SB */
Index: linux-2.6.9-full/fs/ext3/super.c
===================================================================
---- linux-2.6.9-full.orig/fs/ext3/super.c
-+++ linux-2.6.9-full/fs/ext3/super.c
-@@ -391,6 +391,7 @@ static void ext3_put_super (struct super
+--- linux-2.6.9-full.orig/fs/ext3/super.c 2007-06-08 23:44:08.000000000 +0400
++++ linux-2.6.9-full/fs/ext3/super.c 2007-10-17 22:26:27.000000000 +0400
+@@ -394,6 +394,7 @@ void ext3_put_super (struct super_block
struct ext3_super_block *es = sbi->s_es;
int i;
ext3_ext_release(sb);
ext3_xattr_put_super(sb);
journal_destroy(sbi->s_journal);
-@@ -458,6 +459,8 @@ static struct inode *ext3_alloc_inode(st
+@@ -463,6 +464,8 @@ static struct inode *ext3_alloc_inode(st
ei->vfs_inode.i_version = 1;
memset(&ei->i_cached_extent, 0, sizeof(ei->i_cached_extent));
return &ei->vfs_inode;
}
-@@ -2763,7 +2766,13 @@ static struct file_system_type ext3_fs_t
+@@ -2576,7 +2579,13 @@ static struct file_system_type ext3_fs_t
static int __init init_ext3_fs(void)
{
if (err)
return err;
err = init_inodecache();
-@@ -2785,6 +2794,7 @@ static void __exit exit_ext3_fs(void)
+@@ -2598,6 +2607,7 @@ static void __exit exit_ext3_fs(void)
unregister_filesystem(&ext3_fs_type);
destroy_inodecache();
exit_ext3_xattr();
+ exit_ext3_proc();
}
- int ext3_map_inode_page(struct inode *inode, struct page *page,
+ int ext3_prep_san_write(struct inode *inode, long *blocks,
Index: linux-2.6.9-full/fs/ext3/mballoc.c
===================================================================
---- /dev/null
-+++ linux-2.6.9-full/fs/ext3/mballoc.c
-@@ -0,0 +1,4395 @@
+--- linux-2.6.9-full.orig/fs/ext3/mballoc.c 2007-10-17 21:59:51.072534980 +0400
++++ linux-2.6.9-full/fs/ext3/mballoc.c 2007-10-17 22:25:11.000000000 +0400
+@@ -0,0 +1,4402 @@
+/*
+ * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com
+ * Written by Alex Tomas <alex@clusterfs.com>
+ struct ext3_free_extent *gex = &ac->ac_g_ex;
+
+ BUG_ON(ex->fe_len <= 0);
-+ BUG_ON(ex->fe_len >= (1 << ac->ac_sb->s_blocksize_bits) * 8);
-+ BUG_ON(ex->fe_start >= (1 << ac->ac_sb->s_blocksize_bits) * 8);
++ BUG_ON(ex->fe_len >= EXT3_BLOCKS_PER_GROUP(ac->ac_sb));
++ BUG_ON(ex->fe_start >= EXT3_BLOCKS_PER_GROUP(ac->ac_sb));
+ BUG_ON(ac->ac_status != AC_STATUS_CONTINUE);
+
+ ac->ac_found++;
+ i = e3b->bd_info->bb_first_free;
+
+ while (free && ac->ac_status == AC_STATUS_CONTINUE) {
-+ i = mb_find_next_zero_bit(bitmap, sb->s_blocksize * 8, i);
-+ if (i >= sb->s_blocksize * 8) {
++ i = mb_find_next_zero_bit(bitmap, EXT3_BLOCKS_PER_GROUP(sb), i);
++ if (i >= EXT3_BLOCKS_PER_GROUP(sb)) {
+ BUG_ON(free != 0);
+ break;
+ }
+ i = (i - le32_to_cpu(sbi->s_es->s_first_data_block))
+ % EXT3_BLOCKS_PER_GROUP(sb);
+
-+ while (i < sb->s_blocksize * 8) {
++ while (i < EXT3_BLOCKS_PER_GROUP(sb)) {
+ if (!mb_test_bit(i, bitmap)) {
+ max = mb_find_extent(e3b, 0, i, sbi->s_stripe, &ex);
+ if (max >= sbi->s_stripe) {
+ struct ext3_inode_info *ei = EXT3_I(ac->ac_inode);
+ loff_t start, end, size, orig_size, orig_start;
+ struct list_head *cur;
-+ int bsbits;
++ int bsbits, max;
+
+ /* do normalize only data requests, metadata requests
+ do not need preallocation */
+ if (size < i_size_read(ac->ac_inode))
+ size = i_size_read(ac->ac_inode);
+
++ /* max available blocks in a free group */
++ max = EXT3_BLOCKS_PER_GROUP(ac->ac_sb) - 1 - 1
++ - EXT3_SB(ac->ac_sb)->s_itb_per_group;
++
++#define NRL_CHECK_SIZE(req,size,max,bits) \
++ (req <= (size) || max <= ((size) >> bits))
++
+ /* first, try to predict filesize */
+ /* XXX: should this table be tunable? */
+ start = 0;
+ size = 512 * 1024;
+ } else if (size <= 1024 * 1024) {
+ size = 1024 * 1024;
-+ } else if (size < 4 * 1024 * 1024) {
++ } else if (NRL_CHECK_SIZE(size, 4 * 1024 * 1024, max, bsbits)) {
+ start = ac->ac_o_ex.fe_logical << bsbits;
+ start = (start / (1024 * 1024)) * (1024 * 1024);
+ size = 1024 * 1024;
-+ } else if (size < 8 * 1024 * 1024) {
++ } else if (NRL_CHECK_SIZE(size, 8 * 1024 * 1024, max, bsbits)) {
+ start = ac->ac_o_ex.fe_logical << bsbits;
+ start = (start / (4 * (1024 * 1024))) * 4 * (1024 * 1024);
+ size = 4 * 1024 * 1024;
-+ } else if (ac->ac_o_ex.fe_len < ((8 << 20) >> bsbits)) {
++ } else if(NRL_CHECK_SIZE(ac->ac_o_ex.fe_len,(8<<20)>>bsbits,max,bsbits)){
+ start = ac->ac_o_ex.fe_logical;
+ start = start << bsbits;
+ start = (start / (8 * (1024 * 1024))) * 8 * (1024 * 1024);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff